Improvement in grain-drills



1. scovlL.

Grain Drill.

Patented Dec. V22.. 1863.

JASPER SCOVIL, OF HAMBURG, NEWT YORK.Y

IMPROVEMENT IN GRAIN-DRILLS.

Specification forming part of Letters Patent No. 41,023, dated December 22, 1863.

To all whom it may concern:

Be it known that I, JASPER SCOVIL, of Hamburg, county ot' Erie, and State of New York, have invented anew and Improved Combined Gultivator and Seed-Drill, and I do hereby declare that the following is a full, clear, and exact description of the construction and operation thereof, reference being had to the accompanying drawings,vmaking a part ot this specification, in Which- Figure I is a vertical section, the plows being raised from the ground. Fig. II is a plan view. Fig. Illisafrontend elevation,theplows being lowered to the ground in a working position.

The nature of my improvements relates,tirst, to placing and using the plow-beam which supports the plows between the carrying-wheels at an angle of about forty-tive degrees to the direct line of motion, which plow-beam also forms part of an adjustable plow-frame, so as to allow the plows to be raised and lowered and fixed for cutting any required depthoffurrows, or elevated entirely from the ground for traveling from place to place; second, in inrpart-ing to the distributing seed-box a percussive Vibrating motion by means ot cams placed on the side of one of the wheels, and a frictionwheel upon the end of the box, and a spring operating upon the other end ot' the box.

Letters ot like name lor kind refer to like parts in each of the gures.

A and A represent the carrying-wheels.

B is the axle.

C is the plow-beam.

D are timbers which, together with the plowbeam, constitute an adjustable plow-frame for supporting and raising and lowering the plows, so that they may be lixed to cut any required depth of furrow or elevated from the ground for traveling from eld to lield.

E represents the plows, which are of com` mon ordinary construction, and are fastened to the plow-beam in any convenient orcommon manner. They are so placed that they stand on a line at an angle of about forty-tive degrees to the direct line of motion, and so that the earth thrown up by each will fall into the furrow made by the plow next forward, and thereby leave the ground smooth. The plowframe as a whole is raised and lowered by means of the levers Gr and chains H. Thelever is hinged to cross-timber J, as shown at g. One end of the chain is connected to the plow-frame, as shown at Il', Fig. Ill, and the other end is connected to the lever, as shown at h2, Fig. II, so that by lifting upon the levers the plow-frame may be raised and lowered at pleasure.

K represents a notched bar for holding the lever (and hence the plow-frame) at whatever height it may be placed in the notches.

L represents a sheave connected to the axle B, over which the chain passes.

The forward part ofthe adjustable frame is connected to the stationary frame M by means of a staple, bolt and hook, and washers, as shown at N, Fig. I; or a hook and chain may be used, to render it more quickly adjustable at that point.

This machine, as far as now described, may be used to great advantage as a cultivator; but in order to make it a combined cultivator and seeding-machine I attach a seeding apparatus, as follows:

IJ represents the main seed-box, which is provided with holes in the bottom and an adjustable slide for regulating the passage of the grain into the distributing seed-box in a common manner.

P is alever connecting with the slide in the bottom of the box for the purpose ot' moving the slide as may be required to insure the passage of the proper quantity ot' seed.

Q is the distributing seed-box, which is provided with the proper holes q and adjustable slide q2 in a common manner. The slide is regulated by means ofthe small lever and pin R3. This box is supported by and moves between the parallel stationary timbers JJ.

0n the end of the distributing-box isa friction-wheel, T, and on the side ot' the carryingwheel are cams u, and on the opposite end ot' the seed-box is a spiral spring, V. As the wheel revolves the cams strike the frictionwheel, and thereby give the seed-box a percussive outward movement. As soon as a cam has passed the friction-wheelthe spiral spring moves the box in the opposite direction, and thereby a constant vibrating percussive inotion is imparted to the seed-box, which will insure the proper passage of the seeds through the holes into conducting flexible pipes to sow the seed in the drills.

Flexible pipes maybe connected to the seed- 2. In combination with the pendent plowboX in a common manner to carry the seed frame, as above described, the distributing down to the ground. The plows, following in seed-box Q, operated by the cams u and spring the rear, will properly cover the seed. V, arranged and operating substantially in the W is a draft-pole; X, drivers seat. manner and for the purpose herein set forth. What I claim as my invention, and desire to secure by Letters Patent, is JASPER SCOVIL.

' 1. Attaching the covering-plows E to the diagonal beam C of an independent frame Witnesses:

when the latter is supported and adjusted by GEO. V. WALLACE,

means of the chains H, levers G, and rack K, E. B. FORBUSH.

substantially as above described. 1 

